Fix typo: ARMV8

Author: SzabolcsGergely

examples/install_requirements.py

@@ -190,6 +190,6 @@ def hasWhitespace(string):
         WARNING='\033[1;5;31m'
         RED='\033[91m'
         LINE_CL='\033[0m'
-        SUGGESTION='echo "export OPENBLAS_CORETYPE=AMRV8" >> ~/.bashrc && source ~/.bashrc'
+        SUGGESTION='echo "export OPENBLAS_CORETYPE=ARMV8" >> ~/.bashrc && source ~/.bashrc'
         print(f'{WARNING}WARNING:{LINE_CL} Need to set OPENBLAS_CORE_TYPE environment variable, otherwise opencv will fail with illegal instruction.')
         print(f'Run: {RED}{SUGGESTION}{LINE_CL}')